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Finding the Fourth Proportional to 18,367.80, 27,543.79 and 5,883.67

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Solution

The fourth proportional to 18,367.80, 27,543.79 and 5,883.67 is: 8,822.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,367.80 : 27,543.79 = 5,883.67 : x
  2. Step 2: Convert to fraction form
    18,367.80/27,543.79 = 5,883.67/x
  3. Step 3: Cross multiply
    18,367.80x = 27,543.79 × 5,883.67
  4. Step 4: Simplify right side
    18,367.80x = 162,058,570.91
  5. Step 5: Solve for x
    x = 162,058,570.91/18,367.80
  6. Step 6: Final answer
    x = 8,822.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.